Synonyms: Benzeneaceticacid, a-hydroxy-,1,2,2,6-tetramethyl-4-piperidinyl ester, hydrochloride (9CI); Mandelic acid,1,2,2,6-tetramethyl-4-piperidyl ester, hydrochloride (7CI,8CI); 4-Piperidinol,1,2,2,6-tetramethyl-, mandelate, hydrochloride (8CI);1,2,2,6-Tetramethyl-4-piperidinol mandelate hydrochloride; 4-Hydroxy-1,2,2,6-tetramethylpiperidinemandelate hydrochloride; 4-Mandeloyloxy-1,2,2,6-tetramethylpiperidinehydrochloride; Eucatropine hydrochloride; Euphthalmine hydrochloride